NYC Electrician (DCAS) Certification
Practice Examination Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf A+ Grade Guarantee
Verified By Professionals
1. A branch circuit supplying general lighting outlets in a dwelling unit must
have a minimum conductor size of:
A. 10 AWG
B. 12 AWG
C. 14 AWG
D. 16 AWG
✔ Correct Answer: Fourteen AWG
2. According to the NEC, the maximum number of conductors permitted in a
standard 4-inch square box without extension rings depends on:
A. Voltage rating
B. Box fill calculation
C. Circuit length
D. Conduit size
✔ Correct Answer: Box fill calculation
3. In a commercial installation, EMT conduit must be securely fastened within
how many feet of each box?
A. 1 ft
B. 2 ft
, C. 3 ft
D. 5 ft
✔ Correct Answer: Three feet
4. A ground fault circuit interrupter (GFCI) is primarily designed to protect
against:
A. Overcurrent
B. Short circuit
C. Ground fault
D. Voltage drop
✔ Correct Answer: Ground fault
5. What is the minimum burial depth for direct-buried UF cable under
residential driveways?
A. 12 inches
B. 18 inches
C. 24 inches
D. 36 inches
✔ Correct Answer: Twenty-four inches
6. A 20-amp branch circuit requires a conductor rated at least:
A. 10 amps
B. 15 amps
C. 20 amps
D. 25 amps
✔ Correct Answer: Twenty amps
7. What color insulation is typically used for grounded (neutral) conductors?
A. Green
B. White
C. Black
D. Red
✔ Correct Answer: White
, 8. A disconnecting means must be located:
A. Anywhere in building
B. At the service point
C. Within sight of equipment
D. Underground only
✔ Correct Answer: Within sight of equipment
9. What is the function of a transformer?
A. Increase resistance
B. Convert voltage levels
C. Store electricity
D. Regulate frequency
✔ Correct Answer: Convert voltage levels
10.A conductor with green insulation is used for:
A. Hot conductor
B. Neutral
C. Grounding
D. Control circuit
✔ Correct Answer: Grounding
11.In a 120/240V system, the voltage between two hot legs is:
A. 120V
B. 208V
C. 240V
D. 480V
✔ Correct Answer: Two hundred forty volts
12.What type of motor is commonly used in HVAC compressors?
A. Universal motor
B. Induction motor
C. Stepper motor
D. DC motor
✔ Correct Answer: Induction motor
Practice Examination Questions With
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf A+ Grade Guarantee
Verified By Professionals
1. A branch circuit supplying general lighting outlets in a dwelling unit must
have a minimum conductor size of:
A. 10 AWG
B. 12 AWG
C. 14 AWG
D. 16 AWG
✔ Correct Answer: Fourteen AWG
2. According to the NEC, the maximum number of conductors permitted in a
standard 4-inch square box without extension rings depends on:
A. Voltage rating
B. Box fill calculation
C. Circuit length
D. Conduit size
✔ Correct Answer: Box fill calculation
3. In a commercial installation, EMT conduit must be securely fastened within
how many feet of each box?
A. 1 ft
B. 2 ft
, C. 3 ft
D. 5 ft
✔ Correct Answer: Three feet
4. A ground fault circuit interrupter (GFCI) is primarily designed to protect
against:
A. Overcurrent
B. Short circuit
C. Ground fault
D. Voltage drop
✔ Correct Answer: Ground fault
5. What is the minimum burial depth for direct-buried UF cable under
residential driveways?
A. 12 inches
B. 18 inches
C. 24 inches
D. 36 inches
✔ Correct Answer: Twenty-four inches
6. A 20-amp branch circuit requires a conductor rated at least:
A. 10 amps
B. 15 amps
C. 20 amps
D. 25 amps
✔ Correct Answer: Twenty amps
7. What color insulation is typically used for grounded (neutral) conductors?
A. Green
B. White
C. Black
D. Red
✔ Correct Answer: White
, 8. A disconnecting means must be located:
A. Anywhere in building
B. At the service point
C. Within sight of equipment
D. Underground only
✔ Correct Answer: Within sight of equipment
9. What is the function of a transformer?
A. Increase resistance
B. Convert voltage levels
C. Store electricity
D. Regulate frequency
✔ Correct Answer: Convert voltage levels
10.A conductor with green insulation is used for:
A. Hot conductor
B. Neutral
C. Grounding
D. Control circuit
✔ Correct Answer: Grounding
11.In a 120/240V system, the voltage between two hot legs is:
A. 120V
B. 208V
C. 240V
D. 480V
✔ Correct Answer: Two hundred forty volts
12.What type of motor is commonly used in HVAC compressors?
A. Universal motor
B. Induction motor
C. Stepper motor
D. DC motor
✔ Correct Answer: Induction motor
